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Capital Markets

Private Credit Now Finances Most Middle Market Deals: What Business Owners Should Understand

The U.S. private credit market has grown to $1.3 trillion, and direct lenders now provide the majority of acquisition financing for middle market transactions. The shift carries practical implications for anyone buying, selling, or recapitalizing a business.
KAS Advisors • March 30, 2026 | 7 min read

A structural transformation in how middle market transactions are financed has reached a tipping point. Private credit, the category of non-bank lending that includes direct loans, unitranche facilities, and mezzanine financing, has grown to roughly $1.3 trillion in the United States and now matches the broadly syndicated loan market in total commitments. For business owners navigating a sale, acquisition, or recapitalization, understanding how private credit works, and how it differs from traditional bank financing, is no longer optional.

The Shift from Banks to Direct Lenders

The displacement of traditional bank lending in the middle market has been building for more than a decade, but the pace of change has accelerated sharply since 2020. Regulatory constraints imposed after the 2008 financial crisis made it increasingly expensive for banks to hold middle market loans on their balance sheets. At the same time, institutional investors seeking higher yields allocated capital to private credit funds, providing direct lenders with the resources to fill the gap.

The result is a market that looks fundamentally different from the one that existed even five years ago. When a private equity firm acquires a middle market company today, the acquisition financing is more likely to come from a direct lender like Ares, Blue Owl, Golub Capital, or HPS Investment Partners than from a traditional bank syndicate. Industry estimates suggest that private credit providers now finance 70% to 80% of leveraged middle market buyouts, a share that has roughly doubled since 2018.

The structural retreat of banks from middle market lending shows no signs of reversing. Even with the current administration's lighter touch on financial regulation, the capital requirements and risk-weighting rules that discourage bank participation in leveraged lending remain in place. Private credit's dominance in this segment of the market is likely a permanent feature of the financial landscape.

When a PE firm acquires a middle market company today, the financing is more likely to come from a direct lender than from a traditional bank syndicate, and that shift is now structural rather than cyclical.

How Unitranche Structures Work

One of the most significant innovations in middle market deal financing is the unitranche loan, which has become the default structure for many PE-backed acquisitions. In a traditional leveraged buyout, the capital structure typically includes a senior secured loan (provided by a bank or syndicate), a subordinated or mezzanine loan, and an equity contribution from the PE sponsor. Each layer of debt carries different terms, pricing, and priority in the event of a default.

A unitranche facility collapses this structure into a single loan provided by one or a small number of direct lenders. The borrower negotiates with a single counterparty, receives a single set of terms, and makes a single payment. The lender (or lending group) manages the internal economics of the different risk tranches among themselves, typically through a side arrangement called an agreement among lenders, or AAL.

For borrowers, the advantages are meaningful. Unitranche deals close faster than syndicated transactions because there are fewer parties to coordinate. The terms are negotiated directly with the lender, rather than being subject to the market-clearing dynamics of a syndication process. And the certainty of execution is higher, because the lender commits to the full facility upfront rather than relying on a group of banks to each commit to their share.

The trade-off is cost. Unitranche facilities typically carry higher interest rates than comparable syndicated loans, reflecting both the convenience premium and the additional risk that the lender assumes by providing the full debt package. For a middle market transaction, the spread difference might be 100 to 200 basis points, which translates directly into higher debt service costs for the acquired company.

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Early Signs of Stress

The rapid growth of private credit has raised questions about whether the market has expanded too quickly and whether credit quality has deteriorated in the process. The first quarter of 2026 has provided some early data points.

Investors requested more than $10 billion in redemptions from private credit funds during Q1 2026, a significant increase from prior periods. The redemption pressure reflects several factors: some investors are reallocating capital in response to the broader market correction driven by the Iran conflict and energy price shock, while others are concerned about the credit quality of portfolios that were assembled during the most aggressive phase of the market's expansion.

For borrowers, the practical effect of redemption pressure is likely to be tighter terms on new loans. When private credit funds face outflows, they become more selective about new commitments and more insistent on stronger covenant protections. This represents a meaningful shift from the borrower-friendly environment that has characterized private credit for the past several years, where financial covenants were often limited to springing tests triggered only when a revolver was drawn above certain thresholds.

The tightening is not yet dramatic, but the direction is clear. Ares Management's 2026 private credit outlook characterized the market as entering a phase of "growth and maturity," which in practice means more disciplined underwriting, tighter documentation, and less willingness to stretch on leverage multiples. For business owners and PE sponsors planning transactions, the financing terms available today may be somewhat less accommodating than those available six or twelve months ago.

Questions Sellers Should Ask About Buyer Financing

What This Means for Business Owners

For business owners considering a sale to a private equity buyer, the structure of the acquisition financing directly affects several elements of the transaction. Higher debt costs reduce the amount of leverage a buyer can deploy, which can compress the total purchase price. Tighter covenants mean the acquired business will operate under more restrictive financial constraints post-close, which can affect capital expenditure plans, working capital management, and growth investments.

Understanding how the buyer plans to finance the acquisition should be a standard part of the diligence process for any seller evaluating PE offers. The quality and terms of the financing are as important as the headline purchase price, because they determine the financial health and operational flexibility of the business after closing.

For business owners considering acquisitions of their own, whether through a management buyout, an add-on acquisition, or a standalone purchase, private credit offers advantages that traditional bank financing cannot match, particularly in speed and certainty of execution. But the cost premium is real, and it should be factored into the financial analysis of any proposed transaction.

The Bottom Line

Private credit has become the dominant source of acquisition financing for middle market transactions, a structural shift driven by the retreat of bank lending and the growth of institutional capital allocated to direct lending. The market now exceeds $1.3 trillion and is forecast to reach $3 trillion by 2028. For business owners, the practical implications include faster deal execution and greater certainty of financing, but at a higher cost than traditional bank debt. With early signs of tightening in the first quarter of 2026, sellers and buyers alike should factor the evolving terms of private credit into their transaction planning.

Disclaimer: This article is for informational purposes only and does not constitute financial, investment, tax, or legal advice. KAS Advisors recommends consulting with qualified professionals before making business or financial decisions. Past performance and market trends discussed herein are not indicative of future results.